タクソノミーに権限

$args = array(
    "label" => __( 'ご対応地域', '' ),
    "labels" => $labels,
    "public" => true,
    "hierarchical" => true,
    "label" => "周辺地域",
    "show_ui" => true,
    "show_in_menu" => true,
    "show_in_nav_menus" => true,
    "query_var" => true,
    "rewrite" => array( 'slug' => 'ご対応地域', 'with_front' => true, ),
    "show_admin_column" => false,
    "show_in_rest" => false,
    "rest_base" => "",
    "show_in_quick_edit" => false,
   'capabilities' => array(
            'assign_terms' => 'administrator',
            'edit_terms' => 'administrator'
        )
);

'capabilities' => array(
         'assign_terms' => 'administrator',
         'edit_terms' => 'administrator'
     )